package com.newer.controller;

import com.newer.pojo.Books;
import com.newer.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;

import java.util.ArrayList;
import java.util.List;

@Controller
@RequestMapping("/book")
public class BookController {

    //controller调service
    @Autowired
    @Qualifier("BookServiceImpl")
    private BookService bookService;

    //查询所有书籍'
    @RequestMapping("/allBook")
    public String list(Model model) {
        List<Books> list = bookService.queryAllBook();
        model.addAttribute("list", list);
        return "allBook";
    }

    //跳转到增加书籍界面
    @RequestMapping("/toAddBook")
    public String toAddPaper() {
        return "addBook";
    }

    //添加书籍的请求
    @RequestMapping("/addBook")
    public String addBook(Books books) {
        System.out.println(books);
        bookService.addBook(books);
        return "redirect:/book/allBook";
    }

    //跳转到修改界面
    @RequestMapping("/toUpdateBook")
    public String toUpdatePaper(int id, Model model) {
        Books books = bookService.queryById(id);
        model.addAttribute("book", books);
        return "updateBook";
    }

    //修改书籍

    @RequestMapping("/updateBook")
    public String updateBook(Books book) {
        bookService.updateBook(book);
//        Books books = bookService.queryById(book.getBookID());

        return "redirect:/book/allBook";
    }

    //删除书籍
    @RequestMapping("/deleteBook/{bookId}")
    public String deleteBook(@PathVariable("bookId") int id) {
        bookService.deleteBook(id);
        return "redirect:/book/allBook";
    }

    //查询书籍
    @RequestMapping("/queryBook")
    public String queryBook(String queryBookName, Model model) {
        Books books = bookService.queryBookByName(queryBookName);
        System.out.println("queryBook=>"+books);
        List<Books>list=new ArrayList<Books>();
        list.add(books);
        if(books==null){
            list=bookService.queryAllBook();
            model.addAttribute("error","未查询到此信息");
        }
        model.addAttribute("list",list);
        return "allBook";
    }


}
